Home / 476,510.60-657,643.88-272,533.20

Finding the Fourth Proportional to 476,510.60, 657,643.88 and 272,533.20

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Solution

The fourth proportional to 476,510.60, 657,643.88 and 272,533.20 is: 376,129.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,510.60 : 657,643.88 = 272,533.20 : x
  2. Step 2: Convert to fraction form
    476,510.60/657,643.88 = 272,533.20/x
  3. Step 3: Cross multiply
    476,510.60x = 657,643.88 × 272,533.20
  4. Step 4: Simplify right side
    476,510.60x = 179,229,791,076.82
  5. Step 5: Solve for x
    x = 179,229,791,076.82/476,510.60
  6. Step 6: Final answer
    x = 376,129.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.